Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FOSS License Exception

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA


package com.mysql.jdbc;

import java.sql.Blob;
import java.sql.Clob;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLXML;
import java.sql.NClob;
import java.sql.Struct;
import java.util.Properties;
import java.util.TimerTask;

import com.mysql.jdbc.ConnectionImpl;
import com.mysql.jdbc.LoadBalancedMySQLConnection;
import com.mysql.jdbc.LoadBalancedConnectionProxy;
import com.mysql.jdbc.Messages;
import com.mysql.jdbc.SQLError;

public class JDBC4LoadBalancedMySQLConnection extends LoadBalancedMySQLConnection implements JDBC4MySQLConnection {

    public JDBC4LoadBalancedMySQLConnection(LoadBalancedConnectionProxy proxy) throws SQLException {

    private JDBC4MySQLConnection getJDBC4Connection() {
        return (JDBC4MySQLConnection) getActiveMySQLConnection();

    public SQLXML createSQLXML() throws SQLException {
        return this.getJDBC4Connection().createSQLXML();

    public java.sql.Array createArrayOf(String typeName, Object[] elements) throws SQLException {
        return this.getJDBC4Connection().createArrayOf(typeName, elements);

    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
        return this.getJDBC4Connection().createStruct(typeName, attributes);

    public Properties getClientInfo() throws SQLException {
        return this.getJDBC4Connection().getClientInfo();

    public String getClientInfo(String name) throws SQLException {
        return this.getJDBC4Connection().getClientInfo(name);

    public boolean isValid(int timeout) throws SQLException {
        return this.getJDBC4Connection().isValid(timeout);

    public void setClientInfo(Properties properties) throws SQLClientInfoException {

    public void setClientInfo(String name, String value) throws SQLClientInfoException {
        this.getJDBC4Connection().setClientInfo(name, value);

    public boolean isWrapperFor(Class<?> iface) throws SQLException {

        // This works for classes that aren't actually wrapping anything
        return iface.isInstance(this);

    public <T> T unwrap(java.lang.Class<T> iface) throws java.sql.SQLException {
        try {
            // This works for classes that aren't actually wrapping anything
            return iface.cast(this);
        } catch (ClassCastException cce) {
            throw SQLError.createSQLException("Unable to unwrap to " + iface.toString(), SQLError.SQL_STATE_ILLEGAL_ARGUMENT, getExceptionInterceptor());

     * @see java.sql.Connection#createBlob()
    public Blob createBlob() {
        return this.getJDBC4Connection().createBlob();

     * @see java.sql.Connection#createClob()
    public Clob createClob() {
        return this.getJDBC4Connection().createClob();

     * @see java.sql.Connection#createNClob()
    public NClob createNClob() {
        return this.getJDBC4Connection().createNClob();

    public JDBC4ClientInfoProvider getClientInfoProviderImpl() throws SQLException {
        synchronized (getThisAsProxy()) {
            return this.getJDBC4Connection().getClientInfoProviderImpl();